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Ecology of Rhizoprionodon porosus
 
Main Ref. Randall, J.E., 1967
Remarks Common in bays and estuaries often entering rivers. Also found in offshore waters at depths of about 500 m, generally less than 100 m. Feeds mainly on small bony fishes, including wrasses, but also marine snails, squid and shrimp.

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Rhizoprionodon porosus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats Coral Reefs;
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Randall, J.E., 1967
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Randall, J.E., 1967
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.99 0.21 Troph of juv./adults from 4 studies.
From individual food items 4.00 0.66 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Gómez-Canchong, P., L. Manjarrés M., L.O. Duarte and J. Altamar, 2004
(e.g. 346)
(e.g. cnidaria)
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